A former Al Qaeda operative turned Yemeni-government informant steps out of the shadows to speak with Al Jazeera’s Investigative Unit.

He reveals a sinister double game played by Al Qaeda and the former Yemeni government of Ali Abdullah Saleh.

The informant allegeds that the government of former president Ali Abdullah Saleh — ousted in February 2012 amid a popular uprising — supported and even helped direct al-Qaeda in the Arabian Peninsula.